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<pre><span class="sourceLineNo">001</span>/*-<a name="line.1"></a>
<span class="sourceLineNo">002</span> *******************************************************************************<a name="line.2"></a>
<span class="sourceLineNo">003</span> * Copyright (c) 2011, 2016 Diamond Light Source Ltd.<a name="line.3"></a>
<span class="sourceLineNo">004</span> * All rights reserved. This program and the accompanying materials<a name="line.4"></a>
<span class="sourceLineNo">005</span> * are made available under the terms of the Eclipse Public License v1.0<a name="line.5"></a>
<span class="sourceLineNo">006</span> * which accompanies this distribution, and is available at<a name="line.6"></a>
<span class="sourceLineNo">007</span> * http://www.eclipse.org/legal/epl-v10.html<a name="line.7"></a>
<span class="sourceLineNo">008</span> *<a name="line.8"></a>
<span class="sourceLineNo">009</span> * Contributors:<a name="line.9"></a>
<span class="sourceLineNo">010</span> *    Peter Chang - initial API and implementation and/or initial documentation<a name="line.10"></a>
<span class="sourceLineNo">011</span> *******************************************************************************/<a name="line.11"></a>
<span class="sourceLineNo">012</span><a name="line.12"></a>
<span class="sourceLineNo">013</span>// GEN_COMMENT<a name="line.13"></a>
<span class="sourceLineNo">014</span><a name="line.14"></a>
<span class="sourceLineNo">015</span>package org.eclipse.january.dataset;<a name="line.15"></a>
<span class="sourceLineNo">016</span><a name="line.16"></a>
<span class="sourceLineNo">017</span><a name="line.17"></a>
<span class="sourceLineNo">018</span>import java.util.Arrays;<a name="line.18"></a>
<span class="sourceLineNo">019</span><a name="line.19"></a>
<span class="sourceLineNo">020</span>import org.apache.commons.math3.complex.Complex;<a name="line.20"></a>
<span class="sourceLineNo">021</span><a name="line.21"></a>
<span class="sourceLineNo">022</span><a name="line.22"></a>
<span class="sourceLineNo">023</span>/**<a name="line.23"></a>
<span class="sourceLineNo">024</span> * Extend compound dataset to hold complex double values // PRIM_TYPE<a name="line.24"></a>
<span class="sourceLineNo">025</span> */<a name="line.25"></a>
<span class="sourceLineNo">026</span>public class ComplexDoubleDataset extends CompoundDoubleDataset { // CLASS_TYPE<a name="line.26"></a>
<span class="sourceLineNo">027</span>        // pin UID to base class<a name="line.27"></a>
<span class="sourceLineNo">028</span>        private static final long serialVersionUID = Dataset.serialVersionUID;<a name="line.28"></a>
<span class="sourceLineNo">029</span><a name="line.29"></a>
<span class="sourceLineNo">030</span>        private static final int ISIZE = 2; // number of elements per item<a name="line.30"></a>
<span class="sourceLineNo">031</span><a name="line.31"></a>
<span class="sourceLineNo">032</span>        @Override<a name="line.32"></a>
<span class="sourceLineNo">033</span>        public int getDType() {<a name="line.33"></a>
<span class="sourceLineNo">034</span>                return Dataset.COMPLEX128; // DATA_TYPE<a name="line.34"></a>
<span class="sourceLineNo">035</span>        }<a name="line.35"></a>
<span class="sourceLineNo">036</span><a name="line.36"></a>
<span class="sourceLineNo">037</span>        /**<a name="line.37"></a>
<span class="sourceLineNo">038</span>         * Create a null dataset<a name="line.38"></a>
<span class="sourceLineNo">039</span>         */<a name="line.39"></a>
<span class="sourceLineNo">040</span>        ComplexDoubleDataset() {<a name="line.40"></a>
<span class="sourceLineNo">041</span>                super(ISIZE);<a name="line.41"></a>
<span class="sourceLineNo">042</span>        }<a name="line.42"></a>
<span class="sourceLineNo">043</span><a name="line.43"></a>
<span class="sourceLineNo">044</span>        /**<a name="line.44"></a>
<span class="sourceLineNo">045</span>         * Create a zero-filled dataset of given shape<a name="line.45"></a>
<span class="sourceLineNo">046</span>         * @param shape<a name="line.46"></a>
<span class="sourceLineNo">047</span>         */<a name="line.47"></a>
<span class="sourceLineNo">048</span>        ComplexDoubleDataset(final int... shape) {<a name="line.48"></a>
<span class="sourceLineNo">049</span>                super(ISIZE, shape);<a name="line.49"></a>
<span class="sourceLineNo">050</span>        }<a name="line.50"></a>
<span class="sourceLineNo">051</span><a name="line.51"></a>
<span class="sourceLineNo">052</span>        /**<a name="line.52"></a>
<span class="sourceLineNo">053</span>         * Create a dataset using given data (real and imaginary parts are grouped in pairs)<a name="line.53"></a>
<span class="sourceLineNo">054</span>         * @param data<a name="line.54"></a>
<span class="sourceLineNo">055</span>         * @param shape (can be null to create 1D dataset)<a name="line.55"></a>
<span class="sourceLineNo">056</span>         */<a name="line.56"></a>
<span class="sourceLineNo">057</span>        ComplexDoubleDataset(final double[] data, final int... shape) { // PRIM_TYPE<a name="line.57"></a>
<span class="sourceLineNo">058</span>                super(ISIZE, data, shape);<a name="line.58"></a>
<span class="sourceLineNo">059</span>        }<a name="line.59"></a>
<span class="sourceLineNo">060</span><a name="line.60"></a>
<span class="sourceLineNo">061</span>        /**<a name="line.61"></a>
<span class="sourceLineNo">062</span>         * Copy a dataset<a name="line.62"></a>
<span class="sourceLineNo">063</span>         * @param dataset<a name="line.63"></a>
<span class="sourceLineNo">064</span>         */<a name="line.64"></a>
<span class="sourceLineNo">065</span>        ComplexDoubleDataset(final ComplexDoubleDataset dataset) {<a name="line.65"></a>
<span class="sourceLineNo">066</span>                super(dataset);<a name="line.66"></a>
<span class="sourceLineNo">067</span>        }<a name="line.67"></a>
<span class="sourceLineNo">068</span><a name="line.68"></a>
<span class="sourceLineNo">069</span>        /**<a name="line.69"></a>
<span class="sourceLineNo">070</span>         * Create a dataset using given data (real and imaginary parts are given separately)<a name="line.70"></a>
<span class="sourceLineNo">071</span>         * @param realData<a name="line.71"></a>
<span class="sourceLineNo">072</span>         * @param imagData<a name="line.72"></a>
<span class="sourceLineNo">073</span>         * @param shape (can be null or zero-length to create 1D dataset)<a name="line.73"></a>
<span class="sourceLineNo">074</span>         */<a name="line.74"></a>
<span class="sourceLineNo">075</span>        ComplexDoubleDataset(final double[] realData, final double[] imagData, int... shape) { // PRIM_TYPE<a name="line.75"></a>
<span class="sourceLineNo">076</span>                if (realData == null || imagData == null) {<a name="line.76"></a>
<span class="sourceLineNo">077</span>                        throw new IllegalArgumentException("Data must not be null");<a name="line.77"></a>
<span class="sourceLineNo">078</span>                }<a name="line.78"></a>
<span class="sourceLineNo">079</span>                int dsize = realData.length &gt; imagData.length ? imagData.length : realData.length;<a name="line.79"></a>
<span class="sourceLineNo">080</span>                if (shape == null || shape.length == 0) {<a name="line.80"></a>
<span class="sourceLineNo">081</span>                        shape = new int[] {dsize};<a name="line.81"></a>
<span class="sourceLineNo">082</span>                }<a name="line.82"></a>
<span class="sourceLineNo">083</span>                isize = ISIZE;<a name="line.83"></a>
<span class="sourceLineNo">084</span>                size = ShapeUtils.calcSize(shape);<a name="line.84"></a>
<span class="sourceLineNo">085</span>                if (size != dsize) {<a name="line.85"></a>
<span class="sourceLineNo">086</span>                        throw new IllegalArgumentException(String.format("Shape %s is not compatible with size of data array, %d",<a name="line.86"></a>
<span class="sourceLineNo">087</span>                                        Arrays.toString(shape), dsize));<a name="line.87"></a>
<span class="sourceLineNo">088</span>                }<a name="line.88"></a>
<span class="sourceLineNo">089</span>                this.shape = size == 0 ? null : shape.clone();<a name="line.89"></a>
<span class="sourceLineNo">090</span><a name="line.90"></a>
<span class="sourceLineNo">091</span>                try {<a name="line.91"></a>
<span class="sourceLineNo">092</span>                        odata = data = createArray(size);<a name="line.92"></a>
<span class="sourceLineNo">093</span>                } catch (Throwable t) {<a name="line.93"></a>
<span class="sourceLineNo">094</span>                        logger.error("Could not create a dataset of shape {}", Arrays.toString(shape), t);<a name="line.94"></a>
<span class="sourceLineNo">095</span>                        throw new IllegalArgumentException(t);<a name="line.95"></a>
<span class="sourceLineNo">096</span>                }<a name="line.96"></a>
<span class="sourceLineNo">097</span><a name="line.97"></a>
<span class="sourceLineNo">098</span>                for (int i = 0, n = 0; i &lt; size; i++) {<a name="line.98"></a>
<span class="sourceLineNo">099</span>                        data[n++] = realData[i];<a name="line.99"></a>
<span class="sourceLineNo">100</span>                        data[n++] = imagData[i];<a name="line.100"></a>
<span class="sourceLineNo">101</span>                }<a name="line.101"></a>
<span class="sourceLineNo">102</span>        }<a name="line.102"></a>
<span class="sourceLineNo">103</span><a name="line.103"></a>
<span class="sourceLineNo">104</span>        /**<a name="line.104"></a>
<span class="sourceLineNo">105</span>         * Create a dataset using given data (real and imaginary parts are given separately)<a name="line.105"></a>
<span class="sourceLineNo">106</span>         * @param real<a name="line.106"></a>
<span class="sourceLineNo">107</span>         * @param imag<a name="line.107"></a>
<span class="sourceLineNo">108</span>         */<a name="line.108"></a>
<span class="sourceLineNo">109</span>        ComplexDoubleDataset(final Dataset real, final Dataset imag) {<a name="line.109"></a>
<span class="sourceLineNo">110</span>                super(ISIZE, real.getShapeRef());<a name="line.110"></a>
<span class="sourceLineNo">111</span>                real.checkCompatibility(imag);<a name="line.111"></a>
<span class="sourceLineNo">112</span><a name="line.112"></a>
<span class="sourceLineNo">113</span>                IndexIterator riter = real.getIterator();<a name="line.113"></a>
<span class="sourceLineNo">114</span>                IndexIterator iiter = imag.getIterator();<a name="line.114"></a>
<span class="sourceLineNo">115</span><a name="line.115"></a>
<span class="sourceLineNo">116</span>                for (int i = 0; riter.hasNext() &amp;&amp; iiter.hasNext();) {<a name="line.116"></a>
<span class="sourceLineNo">117</span>                        data[i++] = real.getElementDoubleAbs(riter.index); // ADD_CAST<a name="line.117"></a>
<span class="sourceLineNo">118</span>                        data[i++] = imag.getElementDoubleAbs(iiter.index); // ADD_CAST<a name="line.118"></a>
<span class="sourceLineNo">119</span>                }<a name="line.119"></a>
<span class="sourceLineNo">120</span>        }<a name="line.120"></a>
<span class="sourceLineNo">121</span><a name="line.121"></a>
<span class="sourceLineNo">122</span>        /**<a name="line.122"></a>
<span class="sourceLineNo">123</span>         * Copy and cast a dataset to this complex type<a name="line.123"></a>
<span class="sourceLineNo">124</span>         * @param dataset<a name="line.124"></a>
<span class="sourceLineNo">125</span>         */<a name="line.125"></a>
<span class="sourceLineNo">126</span>        ComplexDoubleDataset(final Dataset dataset) {<a name="line.126"></a>
<span class="sourceLineNo">127</span>                super(ISIZE, dataset.getShapeRef());<a name="line.127"></a>
<span class="sourceLineNo">128</span>                copyToView(dataset, this, true, false);<a name="line.128"></a>
<span class="sourceLineNo">129</span>                offset = 0;<a name="line.129"></a>
<span class="sourceLineNo">130</span>                stride = null;<a name="line.130"></a>
<span class="sourceLineNo">131</span>                base = null;<a name="line.131"></a>
<span class="sourceLineNo">132</span><a name="line.132"></a>
<span class="sourceLineNo">133</span>                IndexIterator iter = dataset.getIterator();<a name="line.133"></a>
<span class="sourceLineNo">134</span>                int disize = dataset.getElementsPerItem();<a name="line.134"></a>
<span class="sourceLineNo">135</span>                if (disize == 1) {<a name="line.135"></a>
<span class="sourceLineNo">136</span>                        for (int i = 0; iter.hasNext(); i += isize) {<a name="line.136"></a>
<span class="sourceLineNo">137</span>                                data[i] = dataset.getElementDoubleAbs(iter.index); // ADD_CAST<a name="line.137"></a>
<span class="sourceLineNo">138</span>                        }<a name="line.138"></a>
<span class="sourceLineNo">139</span>                } else {<a name="line.139"></a>
<span class="sourceLineNo">140</span>                        for (int i = 0; iter.hasNext(); i += isize) {<a name="line.140"></a>
<span class="sourceLineNo">141</span>                                data[i] = dataset.getElementDoubleAbs(iter.index); // ADD_CAST<a name="line.141"></a>
<span class="sourceLineNo">142</span>                                data[i+1] = dataset.getElementDoubleAbs(iter.index+1); // ADD_CAST<a name="line.142"></a>
<span class="sourceLineNo">143</span>                        }<a name="line.143"></a>
<span class="sourceLineNo">144</span>                }<a name="line.144"></a>
<span class="sourceLineNo">145</span>        }<a name="line.145"></a>
<span class="sourceLineNo">146</span><a name="line.146"></a>
<span class="sourceLineNo">147</span>        @Override<a name="line.147"></a>
<span class="sourceLineNo">148</span>        public ComplexDoubleDataset clone() {<a name="line.148"></a>
<span class="sourceLineNo">149</span>                return new ComplexDoubleDataset(this);<a name="line.149"></a>
<span class="sourceLineNo">150</span>        }<a name="line.150"></a>
<span class="sourceLineNo">151</span><a name="line.151"></a>
<span class="sourceLineNo">152</span>        /**<a name="line.152"></a>
<span class="sourceLineNo">153</span>         * Create a dataset from an object which could be a Java list, array (of arrays...)<a name="line.153"></a>
<span class="sourceLineNo">154</span>         * or Number. Ragged sequences or arrays are padded with zeros.<a name="line.154"></a>
<span class="sourceLineNo">155</span>         * <a name="line.155"></a>
<span class="sourceLineNo">156</span>         * @param obj<a name="line.156"></a>
<span class="sourceLineNo">157</span>         * @return dataset with contents given by input<a name="line.157"></a>
<span class="sourceLineNo">158</span>         */<a name="line.158"></a>
<span class="sourceLineNo">159</span>        static ComplexDoubleDataset createFromObject(final Object obj) {<a name="line.159"></a>
<span class="sourceLineNo">160</span>                ComplexDoubleDataset result = new ComplexDoubleDataset();<a name="line.160"></a>
<span class="sourceLineNo">161</span><a name="line.161"></a>
<span class="sourceLineNo">162</span>                result.shape = ShapeUtils.getShapeFromObject(obj);<a name="line.162"></a>
<span class="sourceLineNo">163</span>                result.size = ShapeUtils.calcSize(result.shape);<a name="line.163"></a>
<span class="sourceLineNo">164</span><a name="line.164"></a>
<span class="sourceLineNo">165</span>                try {<a name="line.165"></a>
<span class="sourceLineNo">166</span>                        result.odata = result.data = result.createArray(result.size);<a name="line.166"></a>
<span class="sourceLineNo">167</span>                } catch (Throwable t) {<a name="line.167"></a>
<span class="sourceLineNo">168</span>                        logger.error("Could not create a dataset of shape {}", Arrays.toString(result.shape), t);<a name="line.168"></a>
<span class="sourceLineNo">169</span>                        throw new IllegalArgumentException(t);<a name="line.169"></a>
<span class="sourceLineNo">170</span>                }<a name="line.170"></a>
<span class="sourceLineNo">171</span><a name="line.171"></a>
<span class="sourceLineNo">172</span>                int[] pos = new int[result.shape.length];<a name="line.172"></a>
<span class="sourceLineNo">173</span>                result.fillData(obj, 0, pos);<a name="line.173"></a>
<span class="sourceLineNo">174</span>                return result;<a name="line.174"></a>
<span class="sourceLineNo">175</span>        }<a name="line.175"></a>
<span class="sourceLineNo">176</span><a name="line.176"></a>
<span class="sourceLineNo">177</span>        /**<a name="line.177"></a>
<span class="sourceLineNo">178</span>         * @param stop<a name="line.178"></a>
<span class="sourceLineNo">179</span>         * @return a new 1D dataset, filled with values determined by parameters<a name="line.179"></a>
<span class="sourceLineNo">180</span>         */<a name="line.180"></a>
<span class="sourceLineNo">181</span>        static ComplexDoubleDataset createRange(final double stop) {<a name="line.181"></a>
<span class="sourceLineNo">182</span>                return createRange(0, stop, 1);<a name="line.182"></a>
<span class="sourceLineNo">183</span>        }<a name="line.183"></a>
<span class="sourceLineNo">184</span><a name="line.184"></a>
<span class="sourceLineNo">185</span>        /**<a name="line.185"></a>
<span class="sourceLineNo">186</span>         * @param start<a name="line.186"></a>
<span class="sourceLineNo">187</span>         * @param stop<a name="line.187"></a>
<span class="sourceLineNo">188</span>         * @param step<a name="line.188"></a>
<span class="sourceLineNo">189</span>         * @return a new 1D dataset, filled with values determined by parameters<a name="line.189"></a>
<span class="sourceLineNo">190</span>         */<a name="line.190"></a>
<span class="sourceLineNo">191</span>        static ComplexDoubleDataset createRange(final double start, final double stop, final double step) {<a name="line.191"></a>
<span class="sourceLineNo">192</span>                int size = calcSteps(start, stop, step);<a name="line.192"></a>
<span class="sourceLineNo">193</span>                ComplexDoubleDataset result = new ComplexDoubleDataset(size);<a name="line.193"></a>
<span class="sourceLineNo">194</span>                for (int i = 0; i &lt; size; i ++) {<a name="line.194"></a>
<span class="sourceLineNo">195</span>                        result.data[i*ISIZE] = (start + i*step); // ADD_CAST<a name="line.195"></a>
<span class="sourceLineNo">196</span>                }<a name="line.196"></a>
<span class="sourceLineNo">197</span>                return result;<a name="line.197"></a>
<span class="sourceLineNo">198</span>        }<a name="line.198"></a>
<span class="sourceLineNo">199</span><a name="line.199"></a>
<span class="sourceLineNo">200</span>        /**<a name="line.200"></a>
<span class="sourceLineNo">201</span>         * @param shape<a name="line.201"></a>
<span class="sourceLineNo">202</span>         * @return a dataset filled with ones<a name="line.202"></a>
<span class="sourceLineNo">203</span>         */<a name="line.203"></a>
<span class="sourceLineNo">204</span>        static ComplexDoubleDataset ones(final int... shape) {<a name="line.204"></a>
<span class="sourceLineNo">205</span>                return new ComplexDoubleDataset(shape).fill(1);<a name="line.205"></a>
<span class="sourceLineNo">206</span>        }<a name="line.206"></a>
<span class="sourceLineNo">207</span><a name="line.207"></a>
<span class="sourceLineNo">208</span>        @Override<a name="line.208"></a>
<span class="sourceLineNo">209</span>        public ComplexDoubleDataset fill(final Object obj) {<a name="line.209"></a>
<span class="sourceLineNo">210</span>                setDirty();<a name="line.210"></a>
<span class="sourceLineNo">211</span>                double vr = DTypeUtils.toReal(obj); // PRIM_TYPE // ADD_CAST<a name="line.211"></a>
<span class="sourceLineNo">212</span>                double vi = DTypeUtils.toImag(obj); // PRIM_TYPE // ADD_CAST<a name="line.212"></a>
<span class="sourceLineNo">213</span>                IndexIterator iter = getIterator();<a name="line.213"></a>
<span class="sourceLineNo">214</span><a name="line.214"></a>
<span class="sourceLineNo">215</span>                while (iter.hasNext()) {<a name="line.215"></a>
<span class="sourceLineNo">216</span>                        data[iter.index] = vr;<a name="line.216"></a>
<span class="sourceLineNo">217</span>                        data[iter.index+1] = vi;<a name="line.217"></a>
<span class="sourceLineNo">218</span>                }<a name="line.218"></a>
<span class="sourceLineNo">219</span><a name="line.219"></a>
<span class="sourceLineNo">220</span>                return this;<a name="line.220"></a>
<span class="sourceLineNo">221</span>        }<a name="line.221"></a>
<span class="sourceLineNo">222</span><a name="line.222"></a>
<span class="sourceLineNo">223</span>        @Override<a name="line.223"></a>
<span class="sourceLineNo">224</span>        public ComplexDoubleDataset getView(boolean deepCopyMetadata) {<a name="line.224"></a>
<span class="sourceLineNo">225</span>                ComplexDoubleDataset view = new ComplexDoubleDataset();<a name="line.225"></a>
<span class="sourceLineNo">226</span>                copyToView(this, view, true, deepCopyMetadata);<a name="line.226"></a>
<span class="sourceLineNo">227</span>                view.data = data;<a name="line.227"></a>
<span class="sourceLineNo">228</span>                return view;<a name="line.228"></a>
<span class="sourceLineNo">229</span>        }<a name="line.229"></a>
<span class="sourceLineNo">230</span><a name="line.230"></a>
<span class="sourceLineNo">231</span>        /**<a name="line.231"></a>
<span class="sourceLineNo">232</span>         * Get complex value at absolute index in the internal array.<a name="line.232"></a>
<span class="sourceLineNo">233</span>         * <a name="line.233"></a>
<span class="sourceLineNo">234</span>         * This is an internal method with no checks so can be dangerous. Use with care or ideally with an iterator.<a name="line.234"></a>
<span class="sourceLineNo">235</span>         *<a name="line.235"></a>
<span class="sourceLineNo">236</span>         * @param index absolute index<a name="line.236"></a>
<span class="sourceLineNo">237</span>         * @return value<a name="line.237"></a>
<span class="sourceLineNo">238</span>         */<a name="line.238"></a>
<span class="sourceLineNo">239</span>        public Complex getComplexAbs(final int index) {<a name="line.239"></a>
<span class="sourceLineNo">240</span>                return new Complex(data[index], data[index+1]);<a name="line.240"></a>
<span class="sourceLineNo">241</span>        }<a name="line.241"></a>
<span class="sourceLineNo">242</span><a name="line.242"></a>
<span class="sourceLineNo">243</span>        @Override<a name="line.243"></a>
<span class="sourceLineNo">244</span>        public Object getObjectAbs(final int index) {<a name="line.244"></a>
<span class="sourceLineNo">245</span>                return new Complex(data[index], data[index+1]);<a name="line.245"></a>
<span class="sourceLineNo">246</span>        }<a name="line.246"></a>
<span class="sourceLineNo">247</span><a name="line.247"></a>
<span class="sourceLineNo">248</span>        @Override<a name="line.248"></a>
<span class="sourceLineNo">249</span>        public String getStringAbs(final int index) {<a name="line.249"></a>
<span class="sourceLineNo">250</span>                double di = data[index + 1]; // PRIM_TYPE<a name="line.250"></a>
<span class="sourceLineNo">251</span>                if (stringFormat == null) {<a name="line.251"></a>
<span class="sourceLineNo">252</span>                        return di &gt;= 0 ? String.format("%.8g + %.8gj", data[index], di) : // FORMAT_STRING<a name="line.252"></a>
<span class="sourceLineNo">253</span>                                String.format("%.8g - %.8gj", data[index], -di); // FORMAT_STRING<a name="line.253"></a>
<span class="sourceLineNo">254</span>                }<a name="line.254"></a>
<span class="sourceLineNo">255</span>                StringBuilder s = new StringBuilder();<a name="line.255"></a>
<span class="sourceLineNo">256</span>                s.append(stringFormat.format(data[index]));<a name="line.256"></a>
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<span class="sourceLineNo">602</span>                                data[it.aIndex + 1] = d.getElementDoubleAbs(it.bIndex + 1); // GET_ELEMENT_WITH_CAST<a name="line.602"></a>
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<span class="sourceLineNo">607</span>                                data[it.aIndex + 1] = 0;<a name="line.607"></a>
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<span class="sourceLineNo">648</span>                } else if (o instanceof IDataset) {<a name="line.648"></a>
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<span class="sourceLineNo">654</span><a name="line.654"></a>
<span class="sourceLineNo">655</span>                                while (siter.hasNext()) {<a name="line.655"></a>
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<span class="sourceLineNo">682</span>                                                data[it.index] += db;<a name="line.682"></a>
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<span class="sourceLineNo">688</span>                                                data[it.index + 1] += vi;<a name="line.688"></a>
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<span class="sourceLineNo">737</span>                                                data[it.index + 1] -= vi;<a name="line.737"></a>
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<span class="sourceLineNo">765</span>        public ComplexDoubleDataset imultiply(final Object b) {<a name="line.765"></a>
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<span class="sourceLineNo">767</span>                Dataset bds = b instanceof Dataset ? (Dataset) b : DatasetFactory.createFromObject(b);<a name="line.767"></a>
<span class="sourceLineNo">768</span>                boolean useLong = bds.getElementClass().equals(Long.class);<a name="line.768"></a>
<span class="sourceLineNo">769</span>                if (bds.getSize() == 1) {<a name="line.769"></a>
<span class="sourceLineNo">770</span>                        final IndexIterator it = getIterator();<a name="line.770"></a>
<span class="sourceLineNo">771</span>                        if (useLong) { // note no complex longs<a name="line.771"></a>
<span class="sourceLineNo">772</span>                                final long r2 = bds.getElementLongAbs(0);<a name="line.772"></a>
<span class="sourceLineNo">773</span>                                while (it.hasNext()) {<a name="line.773"></a>
<span class="sourceLineNo">774</span>                                        data[it.index]     *= r2;<a name="line.774"></a>
<span class="sourceLineNo">775</span>                                        data[it.index + 1] *= r2;<a name="line.775"></a>
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<span class="sourceLineNo">777</span>                        } else {<a name="line.777"></a>
<span class="sourceLineNo">778</span>                                final double r2 = bds.getElementDoubleAbs(0);<a name="line.778"></a>
<span class="sourceLineNo">779</span>                                if (!bds.isComplex() || bds.getElementDoubleAbs(1) == 0) {<a name="line.779"></a>
<span class="sourceLineNo">780</span>                                        while (it.hasNext()) {<a name="line.780"></a>
<span class="sourceLineNo">781</span>                                                data[it.index]     *= r2;<a name="line.781"></a>
<span class="sourceLineNo">782</span>                                                data[it.index + 1] *= r2;<a name="line.782"></a>
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<span class="sourceLineNo">784</span>                                } else {<a name="line.784"></a>
<span class="sourceLineNo">785</span>                                        final double i2 = bds.getElementDoubleAbs(1);<a name="line.785"></a>
<span class="sourceLineNo">786</span>                                        while (it.hasNext()) {<a name="line.786"></a>
<span class="sourceLineNo">787</span>                                                double r1 = data[it.index];<a name="line.787"></a>
<span class="sourceLineNo">788</span>                                                double i1 = data[it.index + 1];<a name="line.788"></a>
<span class="sourceLineNo">789</span>                                                data[it.index]     = (r1*r2 - i1*i2); // ADD_CAST<a name="line.789"></a>
<span class="sourceLineNo">790</span>                                                data[it.index + 1] = (r1*i2 + i1*r2); // ADD_CAST<a name="line.790"></a>
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<span class="sourceLineNo">792</span>                                }<a name="line.792"></a>
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<span class="sourceLineNo">794</span>                } else {<a name="line.794"></a>
<span class="sourceLineNo">795</span>                        final BroadcastIterator it = BroadcastIterator.createIterator(this, bds);<a name="line.795"></a>
<span class="sourceLineNo">796</span>                        it.setOutputDouble(!useLong);<a name="line.796"></a>
<span class="sourceLineNo">797</span>                        if (useLong) { // note no complex longs<a name="line.797"></a>
<span class="sourceLineNo">798</span>                                while (it.hasNext()) {<a name="line.798"></a>
<span class="sourceLineNo">799</span>                                        data[it.aIndex]     *= it.bDouble;<a name="line.799"></a>
<span class="sourceLineNo">800</span>                                        data[it.aIndex + 1] *= it.bDouble;<a name="line.800"></a>
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<span class="sourceLineNo">802</span>                        } else {<a name="line.802"></a>
<span class="sourceLineNo">803</span>                                if (bds.isComplex()) {<a name="line.803"></a>
<span class="sourceLineNo">804</span>                                        while (it.hasNext()) {<a name="line.804"></a>
<span class="sourceLineNo">805</span>                                                double r1 = it.aDouble;<a name="line.805"></a>
<span class="sourceLineNo">806</span>                                                double r2 = it.bDouble;<a name="line.806"></a>
<span class="sourceLineNo">807</span>                                                double i1 = data[it.aIndex + 1];<a name="line.807"></a>
<span class="sourceLineNo">808</span>                                                double i2 = bds.getElementDoubleAbs(it.bIndex + 1);<a name="line.808"></a>
<span class="sourceLineNo">809</span>                                                data[it.aIndex]     = (r1*r2 - i1*i2); // ADD_CAST<a name="line.809"></a>
<span class="sourceLineNo">810</span>                                                data[it.aIndex + 1] = (r1*i2 + i1*r2); // ADD_CAST<a name="line.810"></a>
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<span class="sourceLineNo">812</span>                                } else {<a name="line.812"></a>
<span class="sourceLineNo">813</span>                                        while (it.hasNext()) {<a name="line.813"></a>
<span class="sourceLineNo">814</span>                                                data[it.aIndex]     *= it.bDouble;<a name="line.814"></a>
<span class="sourceLineNo">815</span>                                                data[it.aIndex + 1] *= it.bDouble;<a name="line.815"></a>
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<span class="sourceLineNo">820</span>                return this;<a name="line.820"></a>
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<span class="sourceLineNo">823</span>        @Override<a name="line.823"></a>
<span class="sourceLineNo">824</span>        public ComplexDoubleDataset idivide(final Object b) {<a name="line.824"></a>
<span class="sourceLineNo">825</span>                setDirty();<a name="line.825"></a>
<span class="sourceLineNo">826</span>                Dataset bds = b instanceof Dataset ? (Dataset) b : DatasetFactory.createFromObject(b);<a name="line.826"></a>
<span class="sourceLineNo">827</span>                boolean useLong = bds.getElementClass().equals(Long.class);<a name="line.827"></a>
<span class="sourceLineNo">828</span>                if (bds.getSize() == 1) {<a name="line.828"></a>
<span class="sourceLineNo">829</span>                        final IndexIterator it = getIterator();<a name="line.829"></a>
<span class="sourceLineNo">830</span>                        if (useLong) { // note no complex longs<a name="line.830"></a>
<span class="sourceLineNo">831</span>                                final long r2 = bds.getElementLongAbs(0);<a name="line.831"></a>
<span class="sourceLineNo">832</span>                                while (it.hasNext()) {<a name="line.832"></a>
<span class="sourceLineNo">833</span>                                        data[it.index]     /= r2;<a name="line.833"></a>
<span class="sourceLineNo">834</span>                                        data[it.index + 1] /= r2;<a name="line.834"></a>
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<span class="sourceLineNo">836</span>                        } else {<a name="line.836"></a>
<span class="sourceLineNo">837</span>                                final double r2 = bds.getElementDoubleAbs(0);<a name="line.837"></a>
<span class="sourceLineNo">838</span>                                if (!bds.isComplex() || bds.getElementDoubleAbs(1) == 0) {<a name="line.838"></a>
<span class="sourceLineNo">839</span>                                        while (it.hasNext()) {<a name="line.839"></a>
<span class="sourceLineNo">840</span>                                                data[it.index]     /= r2;<a name="line.840"></a>
<span class="sourceLineNo">841</span>                                                data[it.index + 1] /= r2;<a name="line.841"></a>
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<span class="sourceLineNo">843</span>                                } else {<a name="line.843"></a>
<span class="sourceLineNo">844</span>                                        final double i2 = bds.getElementDoubleAbs(1);<a name="line.844"></a>
<span class="sourceLineNo">845</span>                                        if (Math.abs(r2) &lt; Math.abs(i2)) {<a name="line.845"></a>
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<span class="sourceLineNo">847</span>                                                double den = r2*q + i2;<a name="line.847"></a>
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<span class="sourceLineNo">849</span>                                                        double r1 = data[it.index];<a name="line.849"></a>
<span class="sourceLineNo">850</span>                                                        double i1 = data[it.index + 1];<a name="line.850"></a>
<span class="sourceLineNo">851</span>                                                        data[it.index]     = ((r1*q + i1) / den); // ADD_CAST<a name="line.851"></a>
<span class="sourceLineNo">852</span>                                                        data[it.index + 1] = ((i1*q - r1) / den); // ADD_CAST<a name="line.852"></a>
<span class="sourceLineNo">853</span>                                                }<a name="line.853"></a>
<span class="sourceLineNo">854</span>                                        } else {<a name="line.854"></a>
<span class="sourceLineNo">855</span>                                                double q = i2/r2;<a name="line.855"></a>
<span class="sourceLineNo">856</span>                                                double den = i2*q + r2;<a name="line.856"></a>
<span class="sourceLineNo">857</span>                                                if (den == 0) {<a name="line.857"></a>
<span class="sourceLineNo">858</span>                                                        while (it.hasNext()) {<a name="line.858"></a>
<span class="sourceLineNo">859</span>                                                                data[it.index]     = Double.NaN; // CLASS_TYPE<a name="line.859"></a>
<span class="sourceLineNo">860</span>                                                                data[it.index + 1] = Double.NaN; // CLASS_TYPE<a name="line.860"></a>
<span class="sourceLineNo">861</span>                                                        }<a name="line.861"></a>
<span class="sourceLineNo">862</span>                                                } else {<a name="line.862"></a>
<span class="sourceLineNo">863</span>                                                        while (it.hasNext()) {<a name="line.863"></a>
<span class="sourceLineNo">864</span>                                                                double r1 = data[it.index];<a name="line.864"></a>
<span class="sourceLineNo">865</span>                                                                double i1 = data[it.index + 1];<a name="line.865"></a>
<span class="sourceLineNo">866</span>                                                                data[it.index]     = ((i1 * q + r1) / den); // ADD_CAST<a name="line.866"></a>
<span class="sourceLineNo">867</span>                                                                data[it.index + 1] = ((i1 - r1 * q) / den); // ADD_CAST<a name="line.867"></a>
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<span class="sourceLineNo">869</span>                                                }<a name="line.869"></a>
<span class="sourceLineNo">870</span>                                        }<a name="line.870"></a>
<span class="sourceLineNo">871</span>                                }<a name="line.871"></a>
<span class="sourceLineNo">872</span>                        }<a name="line.872"></a>
<span class="sourceLineNo">873</span>                } else {<a name="line.873"></a>
<span class="sourceLineNo">874</span>                        final BroadcastIterator it = BroadcastIterator.createIterator(this, bds);<a name="line.874"></a>
<span class="sourceLineNo">875</span>                        it.setOutputDouble(!useLong);<a name="line.875"></a>
<span class="sourceLineNo">876</span>                        if (useLong) {<a name="line.876"></a>
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<span class="sourceLineNo">878</span>                                        data[it.aIndex]     /= it.bLong;<a name="line.878"></a>
<span class="sourceLineNo">879</span>                                        data[it.aIndex + 1] /= it.bLong;<a name="line.879"></a>
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<span class="sourceLineNo">881</span>                        } else {<a name="line.881"></a>
<span class="sourceLineNo">882</span>                                if (bds.isComplex()) {<a name="line.882"></a>
<span class="sourceLineNo">883</span>                                        while (it.hasNext()) {<a name="line.883"></a>
<span class="sourceLineNo">884</span>                                                double r1 = it.aDouble;<a name="line.884"></a>
<span class="sourceLineNo">885</span>                                                double r2 = it.bDouble;<a name="line.885"></a>
<span class="sourceLineNo">886</span>                                                double i1 = data[it.aIndex + 1];<a name="line.886"></a>
<span class="sourceLineNo">887</span>                                                double i2 = bds.getElementDoubleAbs(it.bIndex + 1);<a name="line.887"></a>
<span class="sourceLineNo">888</span>                                                if (Math.abs(r2) &lt; Math.abs(i2)) {<a name="line.888"></a>
<span class="sourceLineNo">889</span>                                                        double q = r2/i2;<a name="line.889"></a>
<span class="sourceLineNo">890</span>                                                        double den = r2*q + i2;<a name="line.890"></a>
<span class="sourceLineNo">891</span>                                                        data[it.aIndex]     = ((r1*q + i1) / den); // ADD_CAST<a name="line.891"></a>
<span class="sourceLineNo">892</span>                                                        data[it.aIndex + 1] = ((i1*q - r1) / den); // ADD_CAST<a name="line.892"></a>
<span class="sourceLineNo">893</span>                                                } else {<a name="line.893"></a>
<span class="sourceLineNo">894</span>                                                        double q = i2/r2;<a name="line.894"></a>
<span class="sourceLineNo">895</span>                                                        double den = i2*q + r2;<a name="line.895"></a>
<span class="sourceLineNo">896</span>                                                        if (den == 0) {<a name="line.896"></a>
<span class="sourceLineNo">897</span>                                                                data[it.aIndex]     = Double.NaN; // CLASS_TYPE<a name="line.897"></a>
<span class="sourceLineNo">898</span>                                                                data[it.aIndex + 1] = Double.NaN; // CLASS_TYPE<a name="line.898"></a>
<span class="sourceLineNo">899</span>                                                        } else {<a name="line.899"></a>
<span class="sourceLineNo">900</span>                                                                data[it.aIndex]     = ((i1 * q + r1) / den); // ADD_CAST<a name="line.900"></a>
<span class="sourceLineNo">901</span>                                                                data[it.aIndex + 1] = ((i1 - r1 * q) / den); // ADD_CAST<a name="line.901"></a>
<span class="sourceLineNo">902</span>                                                        }<a name="line.902"></a>
<span class="sourceLineNo">903</span>                                                }<a name="line.903"></a>
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<span class="sourceLineNo">907</span>                                                data[it.aIndex]     /= it.bDouble;<a name="line.907"></a>
<span class="sourceLineNo">908</span>                                                data[it.aIndex + 1] /= it.bDouble;<a name="line.908"></a>
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<span class="sourceLineNo">913</span>                return this;<a name="line.913"></a>
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<span class="sourceLineNo">916</span>        @Override<a name="line.916"></a>
<span class="sourceLineNo">917</span>        public ComplexDoubleDataset iremainder(final Object b) {<a name="line.917"></a>
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<span class="sourceLineNo">921</span>        @Override<a name="line.921"></a>
<span class="sourceLineNo">922</span>        public ComplexDoubleDataset ipower(final Object b) {<a name="line.922"></a>
<span class="sourceLineNo">923</span>                setDirty();<a name="line.923"></a>
<span class="sourceLineNo">924</span>                Dataset bds = b instanceof Dataset ? (Dataset) b : DatasetFactory.createFromObject(b);<a name="line.924"></a>
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<span class="sourceLineNo">927</span>                        final double r2 = bds.getElementDoubleAbs(0);<a name="line.927"></a>
<span class="sourceLineNo">928</span>                        if (!bds.isComplex() || bds.getElementDoubleAbs(1) == 0) {<a name="line.928"></a>
<span class="sourceLineNo">929</span>                                while (it.hasNext()) {<a name="line.929"></a>
<span class="sourceLineNo">930</span>                                        final Complex zd = new Complex(data[it.index], data[it.index + 1]).pow(r2);<a name="line.930"></a>
<span class="sourceLineNo">931</span>                                        data[it.index]     = zd.getReal(); // ADD_CAST<a name="line.931"></a>
<span class="sourceLineNo">932</span>                                        data[it.index + 1] = zd.getImaginary(); // ADD_CAST<a name="line.932"></a>
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<span class="sourceLineNo">934</span>                        } else {<a name="line.934"></a>
<span class="sourceLineNo">935</span>                                final Complex zv = new Complex(r2, bds.getElementDoubleAbs(1));<a name="line.935"></a>
<span class="sourceLineNo">936</span>                                while (it.hasNext()) {<a name="line.936"></a>
<span class="sourceLineNo">937</span>                                        final Complex zd = new Complex(data[it.index], data[it.index + 1]).pow(zv);<a name="line.937"></a>
<span class="sourceLineNo">938</span>                                        data[it.index]     = zd.getReal(); // ADD_CAST<a name="line.938"></a>
<span class="sourceLineNo">939</span>                                        data[it.index + 1] = zd.getImaginary(); // ADD_CAST<a name="line.939"></a>
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<span class="sourceLineNo">943</span>                        final BroadcastIterator it = BroadcastIterator.createIterator(this, bds);<a name="line.943"></a>
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<span class="sourceLineNo">945</span>                        if (bds.isComplex()) {<a name="line.945"></a>
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<span class="sourceLineNo">947</span>                                        final Complex zv = new Complex(it.bDouble, bds.getElementDoubleAbs(it.bIndex + 1));<a name="line.947"></a>
<span class="sourceLineNo">948</span>                                        final Complex zd = new Complex(it.aDouble, data[it.aIndex + 1]).pow(zv);<a name="line.948"></a>
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<span class="sourceLineNo">950</span>                                        data[it.aIndex + 1] = zd.getImaginary(); // ADD_CAST<a name="line.950"></a>
<span class="sourceLineNo">951</span>                                }<a name="line.951"></a>
<span class="sourceLineNo">952</span>                        } else {<a name="line.952"></a>
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<span class="sourceLineNo">956</span>                                        data[it.aIndex + 1] = zd.getImaginary(); // ADD_CAST<a name="line.956"></a>
<span class="sourceLineNo">957</span>                                }<a name="line.957"></a>
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<span class="sourceLineNo">963</span>        @Override<a name="line.963"></a>
<span class="sourceLineNo">964</span>        public double residual(final Object b, Dataset w, boolean ignoreNaNs) {<a name="line.964"></a>
<span class="sourceLineNo">965</span>                Dataset bds = b instanceof Dataset ? (Dataset) b : DatasetFactory.createFromObject(b);<a name="line.965"></a>
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<span class="sourceLineNo">990</span>                        } else {<a name="line.990"></a>
<span class="sourceLineNo">991</span>                                IndexIterator itw = w.getIterator();<a name="line.991"></a>
<span class="sourceLineNo">992</span>                                while (it.hasNext() &amp;&amp; itw.hasNext()) {<a name="line.992"></a>
<span class="sourceLineNo">993</span>                                        final double dw = w.getElementDoubleAbs(itw.index);<a name="line.993"></a>
<span class="sourceLineNo">994</span>                                        double diffr = it.aDouble - it.bDouble;<a name="line.994"></a>
<span class="sourceLineNo">995</span>                                        double diffi = data[it.aIndex + 1];<a name="line.995"></a>
<span class="sourceLineNo">996</span>                                        if (ignoreNaNs &amp;&amp; (Double.isNaN(diffr) || Double.isNaN(diffi))) {<a name="line.996"></a>
<span class="sourceLineNo">997</span>                                                continue;<a name="line.997"></a>
<span class="sourceLineNo">998</span>                                        }<a name="line.998"></a>
<span class="sourceLineNo">999</span>                                        double err = diffr * diffr * dw - comp;<a name="line.999"></a>
<span class="sourceLineNo">1000</span>                                        double temp = sum + err;<a name="line.1000"></a>
<span class="sourceLineNo">1001</span>                                        comp = (temp - sum) - err;<a name="line.1001"></a>
<span class="sourceLineNo">1002</span>                                        sum = temp;<a name="line.1002"></a>
<span class="sourceLineNo">1003</span><a name="line.1003"></a>
<span class="sourceLineNo">1004</span>                                        err = diffi * diffi * dw - comp;<a name="line.1004"></a>
<span class="sourceLineNo">1005</span>                                        temp = sum + err;<a name="line.1005"></a>
<span class="sourceLineNo">1006</span>                                        comp = (temp - sum) - err;<a name="line.1006"></a>
<span class="sourceLineNo">1007</span>                                        sum = temp;<a name="line.1007"></a>
<span class="sourceLineNo">1008</span>                                }<a name="line.1008"></a>
<span class="sourceLineNo">1009</span>                        }<a name="line.1009"></a>
<span class="sourceLineNo">1010</span>                } else {<a name="line.1010"></a>
<span class="sourceLineNo">1011</span>                        if (w == null) {<a name="line.1011"></a>
<span class="sourceLineNo">1012</span>                                while (it.hasNext()) {<a name="line.1012"></a>
<span class="sourceLineNo">1013</span>                                        double diffr = it.aDouble - it.bDouble;<a name="line.1013"></a>
<span class="sourceLineNo">1014</span>                                        double diffi = data[it.aIndex] - bds.getElementDoubleAbs(it.bIndex + 1);<a name="line.1014"></a>
<span class="sourceLineNo">1015</span>                                        if (ignoreNaNs &amp;&amp; (Double.isNaN(diffr) || Double.isNaN(diffi))) {<a name="line.1015"></a>
<span class="sourceLineNo">1016</span>                                                continue;<a name="line.1016"></a>
<span class="sourceLineNo">1017</span>                                        }<a name="line.1017"></a>
<span class="sourceLineNo">1018</span>                                        double err = diffr * diffr - comp;<a name="line.1018"></a>
<span class="sourceLineNo">1019</span>                                        double temp = sum + err;<a name="line.1019"></a>
<span class="sourceLineNo">1020</span>                                        comp = (temp - sum) - err;<a name="line.1020"></a>
<span class="sourceLineNo">1021</span>                                        sum = temp;<a name="line.1021"></a>
<span class="sourceLineNo">1022</span><a name="line.1022"></a>
<span class="sourceLineNo">1023</span>                                        err = diffi * diffi - comp;<a name="line.1023"></a>
<span class="sourceLineNo">1024</span>                                        temp = sum + err;<a name="line.1024"></a>
<span class="sourceLineNo">1025</span>                                        comp = (temp - sum) - err;<a name="line.1025"></a>
<span class="sourceLineNo">1026</span>                                        sum = temp;<a name="line.1026"></a>
<span class="sourceLineNo">1027</span>                                }<a name="line.1027"></a>
<span class="sourceLineNo">1028</span>                        } else {<a name="line.1028"></a>
<span class="sourceLineNo">1029</span>                                IndexIterator itw = w.getIterator();<a name="line.1029"></a>
<span class="sourceLineNo">1030</span>                                while (it.hasNext() &amp;&amp; itw.hasNext()) {<a name="line.1030"></a>
<span class="sourceLineNo">1031</span>                                        final double dw = w.getElementDoubleAbs(itw.index);<a name="line.1031"></a>
<span class="sourceLineNo">1032</span>                                        double diffr = it.aDouble - it.bDouble;<a name="line.1032"></a>
<span class="sourceLineNo">1033</span>                                        double diffi = data[it.aIndex] - bds.getElementDoubleAbs(it.bIndex + 1);<a name="line.1033"></a>
<span class="sourceLineNo">1034</span>                                        if (ignoreNaNs &amp;&amp; (Double.isNaN(diffr) || Double.isNaN(diffi))) {<a name="line.1034"></a>
<span class="sourceLineNo">1035</span>                                                continue;<a name="line.1035"></a>
<span class="sourceLineNo">1036</span>                                        }<a name="line.1036"></a>
<span class="sourceLineNo">1037</span>                                        double err = diffr * diffr * dw - comp;<a name="line.1037"></a>
<span class="sourceLineNo">1038</span>                                        double temp = sum + err;<a name="line.1038"></a>
<span class="sourceLineNo">1039</span>                                        comp = (temp - sum) - err;<a name="line.1039"></a>
<span class="sourceLineNo">1040</span>                                        sum = temp;<a name="line.1040"></a>
<span class="sourceLineNo">1041</span><a name="line.1041"></a>
<span class="sourceLineNo">1042</span>                                        err = diffi * diffi * dw - comp;<a name="line.1042"></a>
<span class="sourceLineNo">1043</span>                                        temp = sum + err;<a name="line.1043"></a>
<span class="sourceLineNo">1044</span>                                        comp = (temp - sum) - err;<a name="line.1044"></a>
<span class="sourceLineNo">1045</span>                                        sum = temp;<a name="line.1045"></a>
<span class="sourceLineNo">1046</span>                                }<a name="line.1046"></a>
<span class="sourceLineNo">1047</span>                        }<a name="line.1047"></a>
<span class="sourceLineNo">1048</span>                }<a name="line.1048"></a>
<span class="sourceLineNo">1049</span>                return sum;<a name="line.1049"></a>
<span class="sourceLineNo">1050</span>        }<a name="line.1050"></a>
<span class="sourceLineNo">1051</span>}<a name="line.1051"></a>




























































</pre>
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